Altazimuth coordinates; magenta horizon & altitude scale
Equatorial coordinates; magenta celestial equator, blue RA/Dec grid
Ecliptic coordinates; magenta ecliptic, aqua celestial equator
Galactic coordinates; magenta galactic equator & altitude scale
Galactic coordinates; yellow ecliptic, show planets
Ecliptic coordinates; yellow ecliptic is plane of planetary orbits
Equatorial coordinates; sun crosses celestial equator at equinoxes
Altazimuth coordinates; sun crosses horizon at sunrise & sunset